Mathitat
Serious maths,
gently done.
Glossary

Number

Common factorCommon multipleComposite numberCube numberCube rootDecimalDecimal placeDenominatorDifferenceDigitDivisibilityEquivalent fractionError intervalEven numberExponentFactorFactor pairFractionHighest common factor (HCF)Improper fractionIndexIntegerInverse operationIrrational numberLower boundLowest common multiple (LCM)Mixed numberMultipleNegative numberNumeratorOdd numberOperationOrder of operationsPercentagePlace valuePowerPrimePrime factorPrime factorisationProductQuotientRational numberRationaliseReciprocalRecurring decimalRemainderSignificant figureSquare numberSquare rootStandard formSumSurdTerminating decimalUpper bound

Algebra

Arithmetic sequenceAxisCoefficientCommon differenceComplete the squareComposite functionConstantCoordinateDifference of two squaresEquationEquation of a lineExpressionFormulaFunctionGeometric sequenceGradientIdentityInequalityInterceptInverse functionLike termsMidpointnth termOriginParabolaQuadraticQuadratic formulaRootSequenceSimultaneous equationsSolutionSubject of a formulaTermTurning pointVariable

Ratio & proportion

Best buyCompound interestCompound measureDensityDepreciationDirect proportionInverse proportionMultiplierPercentage changeProportionRateRatioSpeedUnitary method

Geometry & measures

Acute angleAlternate anglesAngleArcAreaBearingBisectorCapacityChordCircumferenceCo-interior anglesConeCongruentCorresponding anglesCosineCross-sectionCuboidCylinderDegreeDiagonalDiameterEnlargementEquilateral triangleExterior angleHypotenuseInterior angleIsosceles triangleLine of symmetryLocusMagnitudeMassObtuse angleParallelPerimeterPerpendicularPolygonPrismPyramidPythagoras' theoremQuadrilateralRadiusReflectionReflex angleRegular polygonRight angleRotationRotational symmetryScale factorScalene triangleSectorSegmentSimilarSineSphereSurface areaSymmetryTangentTransformationTranslationTrigonometryVectorVertexVertically opposite anglesVolume

Probability

BiasedComplementConditional probabilityEventExhaustiveExpected frequencyIndependent eventsIntersectionMutually exclusiveOutcomeProbabilityRelative frequencySample spaceTheoretical probabilityTree diagramUnionVenn diagram

Statistics

AverageBar chartClass intervalContinuous dataCorrelationCumulative frequencyDataDiscrete dataFrequencyFrequency densityFrequency polygonHistogramInterquartile rangeLine of best fitMeanMedianModal classModeOutlierPictogramPie chartPopulationPrimary dataQualitative dataQuantitative dataQuartileRangeSampleScatter graphSecondary dataStem-and-leaf diagramTallyTwo-way table

Command words

CalculateCompareCompleteConstructDescribeDetermineDrawEstimateEvaluateExpandExplainFactoriseFindGive a reasonIdentifyInterpretJustifyMeasurePlotProveRearrangeRoundShow thatSimplifySketchSolveStateSubstituteWork outWriteWrite down

General

AboutAltogetherAmountApproximatelyAssumeAt leastAt mostCombinedConsecutiveEachExploreGeneraliseIn terms ofMaximumMinimumModelOptimumPerPer annumRemainingRepresentRespectivelyShareSustainableTotalValue

Modal class

Practise this

The class interval with the highest frequency.

In Español · sample
Clase modalEl intervalo de clase con la frecuencia más alta.

The modal class is ___ because it has the highest frequency.

The modal class is 10–20 because it has the highest frequency, 12.

Practise this

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